The term ROM PART OF is a reference to READ-ONLY MEMORY, which is a type of computer MEMORY that can ONLY be READ and not written to. The crossword solutions for this term are ONLY (4 letters), READ (4 letters), and MEMORY (6 letters). These words all refer to the components of READ-ONLY MEMORY, with ONLY referring to the fact that it is a type of MEMORY that can ONLY be READ, READ referring to the action of reading the MEMORY, and MEMORY referring to the type of data stored in the ROM.